Octopus.Client.Model.Versioning.StrictSemanticVersion.ParseSections C# (CSharp) Method

        internal static Tuple<string, string[], string> ParseSections(string value)
        {
            string versionString = null;
            string[] releaseLabels = null;
            string buildMetadata = null;

            var dashPos = -1;
            var plusPos = -1;

            var chars = value.ToCharArray();

            var end = false;
            for (var i = 0; i < chars.Length; i++)
            {
                end = (i == chars.Length - 1);

                if (dashPos < 0)
                {
                    if (end
                        || chars[i] == '-'
                        || chars[i] == '+')
                    {
                        var endPos = i + (end ? 1 : 0);
                        versionString = value.Substring(0, endPos);

                        dashPos = i;

                        if (chars[i] == '+')
                        {
                            plusPos = i;
                        }
                    }
                }
                else if (plusPos < 0)
                {
                    if (end || chars[i] == '+')
                    {
                        var start = dashPos + 1;
                        var endPos = i + (end ? 1 : 0);
                        var releaseLabel = value.Substring(start, endPos - start);

                        releaseLabels = releaseLabel.Split('.');

                        plusPos = i;
                    }
                }
                else if (end)
                {
                    var start = plusPos + 1;
                    var endPos = i + (end ? 1 : 0);
                    buildMetadata = value.Substring(start, endPos - start);
                }
            }

            return new Tuple<string, string[], string>(versionString, releaseLabels, buildMetadata);
        }